Serotype distribution of beta haemolytic group A streptococci in India (Lucknow).
D005060:Europe; D006801:Humans; D066298:In Vitro Techniques; D007194:India; D013290:Streptococcal Infections / Q000453:epidemiology*; D013297:Streptococcus pyogenes / Q000302:isolation & purification*